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    Exam 4: Biodiversity and Evolution
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    Approximately How Long Has There Been Life on Planet Earth
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Approximately How Long Has There Been Life on Planet Earth

Question 29

Question 29

Multiple Choice

Approximately how long has there been life on planet Earth?


A) 3.7 million years
B) 37 million years
C) 370 million years
D) 3.7 billion years
E) 37 billion years

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